package net.ithe.mapper;

import net.ithe.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    /**
     * 查询所有部门信息
     * @return
     */
    //解决封装问题(解决驼峰命名)
    // @Results({
    //@Result(column = "update_time", property = "updateTime"),
    //@Result(column = "create_time", property = "createTime")
    // })
    @Select("select id, name, create_time, update_time from dept order by update_time desc ")
    List<Dept> findAll();
    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);

    /**
     * 添加部门
     * @param dept
     */
    @Insert("insert into dept(name, create_time, update_time) values(#{name}, #{createTime}, #{updateTime})")
    void insert(Dept dept);
    /**
     * 根据id查询部门信息
     * @param id
     * @return
     */
    @Select("select id, name, create_time, update_time from dept where id = #{id}")
    Dept getById(Integer id);
    /**
     * 更新部门信息
     * @param dept
     */
    @Update("update dept set name = #{name}, update_time = #{updateTime} where id = #{id}")
    void update(Dept dept);
}
